Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.
Questions are tracked as practiced when you open Show Answer & Explanation. Tracking stays only in this browser tab and no subject-test result is saved.
Which everyday phenomenon demonstrates that objects at higher temperature emit more thermal radiation?
The device used to convert mechanical energy into electrical energy is:
Which everyday material is a good thermal insulator commonly used in winter clothing to retain body heat?
Which blood component is primarily responsible for clotting?
The scientific term for the process by which plants respond to light is called:
Which vitamin deficiency leads to beriberi?
Which common food item is fortified with iodine in many countries to prevent deficiency related disorders?
Which type of teeth erupt last in humans typically between ages 17 and 25 and are commonly called wisdom teeth?
The average adult human has approximately how many liters of blood?
Which optical phenomenon creates the illusion of water on a hot road surface during sunny days?
What is the unit used to measure atmospheric pressure?
Which type of wave does light represent in terms of its propagation?
Which of the following organs is primarily responsible for detoxifying alcohol in the body?
Which gas is released when metals like zinc react with dilute hydrochloric acid?
Which of the following is the smallest unit of life?
Which muscle separates the chest cavity from the abdominal cavity and assists in breathing?
Which vitamin deficiency causes pellagra characterised by dermatitis diarrhoea and dementia?
Which of the following is used in the manufacture of soap?
What causes tides in the ocean?
Which type of cell division produces gametes with half the chromosome number for sexual reproduction?